Roughly described, the invention involves ways to characterize, take account of, or take advantage of stresses introduced by TSV’s near transistors. The device interacts with the ambulatory patient and then, via a modem or other electronic communication device, transmits the measured parameters to a computer located at a remote site. In another embodiment, the composition comprises less than about 200 ppm of formaldehyde in solution, per about 1% by weight of melamine foam fibers present in the composition, after 7 days of storage at 50 C. In addition, the mount member is capable of rotational movement in the plane of the panels and pivotal movement about the axis of the pin assembly. More specifically, the polyester tackifier is obtainable by polymerising a mixture comprising a diacid or derivative thereof, a diol, and at least 6 molar % of an organic monofunctional compound, wherein the mixture is essentially free from compounds comprising more than two carboxylic acid groups or alcohol groups.